Finding the Third Proportional to 12,142 and 26,666

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142 : 26,666 = 26,666 : x
2. Step 2: Convert to fraction form
   12,142/26,666 = 26,666/x
3. Step 3: Cross multiply
   12,142x = 26,666 × 26,666
4. Step 4: Simplify right side
   12,142x = 711,075,556
5. Step 5: Solve for x
   x = 711,075,556/12,142
6. Step 6: Final answer
   x = 58,563.30